falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
3514 Commits
32 Branches
511MB
Tree: 0dfd33c3f1
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '0dfd33c3f1'
${ noResults }
FFmpeg/libavcodec/mpegaudio.h

32 lines
825B
Raw Blame History 

  1. /**

  2.  * @file mpegaudio.h

  3.  * mpeg audio declarations for both encoder and decoder.

  4.  */

  5. 

  6. /* max frame size, in samples */

  7. #define MPA_FRAME_SIZE 1152 

  8. 

  9. /* max compressed frame size */

  10. #define MPA_MAX_CODED_FRAME_SIZE 1792

  11. 

  12. #define MPA_MAX_CHANNELS 2

  13. 

  14. #define SBLIMIT 32 /* number of subbands */

  15. 

  16. #define MPA_STEREO  0

  17. #define MPA_JSTEREO 1

  18. #define MPA_DUAL    2

  19. #define MPA_MONO    3

  20. 

  21. int l2_select_table(int bitrate, int nb_channels, int freq, int lsf);

  22. int mpa_decode_header(AVCodecContext *avctx, uint32_t head);

  23. 

  24. extern const uint16_t mpa_bitrate_tab[2][3][15];

  25. extern const uint16_t mpa_freq_tab[3];

  26. extern const unsigned char *alloc_tables[5];

  27. extern const double enwindow[512];

  28. extern const int sblimit_table[5];

  29. extern const int quant_steps[17];

  30. extern const int quant_bits[17];

  31. extern const int32_t mpa_enwindow[257];